I'll give you a few hints before giving the solution so if you want you can still try for yourself.
I still haven't found everything, I only got to what I like to call "loop 2".
HINT 1:
To progress, you must find the 6-letter password and enter it in the place where you can type stuff (if it doesn't appear, just reload (button is in top-left corner) on the main page).
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HINT 2:
There is some subtle anomaly spread across multiple texts.
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SOLUTION:
If I remember correctly, there are four letters in the first text (Leaf Theater) and two letter in the third text (Campfire Cave) that are in italic and that are a little darker. These six letters spell the word "savior" which you can enter as a password in the little text field that appears when you press the reload button on the main page.
